Files
ldap-to-oauth2/node_modules/@ldapjs/dn/lib/utils/parse-string/read-attribute-value.test.js
2025-10-08 11:12:59 -04:00

120 lines
3.8 KiB
JavaScript

'use strict'
const tap = require('tap')
const readAttributeValue = require('./read-attribute-value')
const { BerReader } = require('@ldapjs/asn1')
const missingError = Error('attribute value does not start with equals sign')
tap.test('throws if missing equals sign', async t => {
let input = Buffer.from('foo')
t.throws(
() => readAttributeValue({ searchBuffer: input, startPos: 3 }),
missingError
)
input = Buffer.from('foo ≠')
t.throws(
() => readAttributeValue({ searchBuffer: input, startPos: 3 }),
missingError
)
})
tap.test('handles empty attribute value', async t => {
const input = Buffer.from('foo=')
const result = readAttributeValue({ searchBuffer: input, startPos: 3 })
t.same(result, { endPos: 4, value: '' })
})
tap.test('returns attribute value', async t => {
const input = Buffer.from('foo=bar')
const result = readAttributeValue({ searchBuffer: input, startPos: 3 })
t.same(result, { endPos: 7, value: 'bar' })
})
tap.test('quoted values', t => {
t.test('throws if quote is unexpected', async t => {
const input = Buffer.from('=foo"bar')
t.throws(
() => readAttributeValue({ searchBuffer: input, startPos: 0 }),
'unexpected quote (") in rdn string at position 4'
)
})
t.test('handles a basic quoted value', async t => {
const input = Buffer.from('="bar"')
const result = readAttributeValue({ searchBuffer: input, startPos: 0 })
t.same(result, { endPos: 6, value: 'bar' })
})
t.test('handles quote followed by end char', async t => {
const input = Buffer.from('="bar",another=rdn')
const result = readAttributeValue({ searchBuffer: input, startPos: 0 })
t.same(result, { endPos: 6, value: 'bar' })
})
t.test('significant spaces in quoted values are part of the value', async t => {
const input = Buffer.from('="foo bar "')
const result = readAttributeValue({ searchBuffer: input, startPos: 0 })
t.same(result, { endPos: 13, value: 'foo bar' })
})
t.test('throws if next significant char is not an end char', async t => {
const input = Buffer.from('="foo bar" baz')
t.throws(
() => readAttributeValue({ searchBuffer: input, startPos: 0 }),
'significant rdn character found outside of quotes at position 7'
)
})
t.test('throws if ending quote not found', async t => {
const input = Buffer.from('="foo')
t.throws(
() => readAttributeValue({ searchBuffer: input, startPos: 0 }),
'missing ending double quote for attribute value'
)
})
t.end()
})
tap.test('leading and trailing spaces are omitted', async t => {
const input = Buffer.from('= foo ')
const result = readAttributeValue({ searchBuffer: input, startPos: 0 })
t.same(result, { endPos: 9, value: 'foo' })
})
tap.test('parses escaped attribute values', async t => {
const input = Buffer.from('foo=foo\\#bar')
const result = readAttributeValue({ searchBuffer: input, startPos: 3 })
t.same(result, { endPos: 12, value: 'foo#bar' })
})
tap.test('stops reading at all ending characters', async t => {
const tests = [
{ input: '=foo,bar', expected: { endPos: 4, value: 'foo' } },
{ input: '=foo+bar', expected: { endPos: 4, value: 'foo' } },
{ input: '=foo;bar', expected: { endPos: 4, value: 'foo' } }
]
for (const test of tests) {
const result = readAttributeValue({
searchBuffer: Buffer.from(test.input),
startPos: 0
})
t.same(result, test.expected)
}
})
tap.test('reads hex encoded string', async t => {
const input = Buffer.from('=#0403666f6f')
const result = readAttributeValue({ searchBuffer: input, startPos: 0 })
const expected = {
endPos: 12,
value: new BerReader(Buffer.from([0x04, 0x03, 0x66, 0x6f, 0x6f]))
}
t.same(result, expected)
t.equal(result.value.buffer.compare(expected.value.buffer), 0)
})